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Archimedes Palimpsest

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documentation for a sale of the valuable manuscript. Stored secretly for years by Sirieix in his cellar, the palimpsest suffered damage from water and mold. In addition, after its disappearance from the Greek Orthodox Patriarchate's library, a forger added copies of medieval evangelical portraits in gold leaf onto four pages in the book in order to increase its sales value, further damaging the text. These forged gold leaf portraits nearly obliterated the text underneath them, and x-ray fluorescence imaging at the
1816: 382:, Dr. William A. Christens-Barry from Equipoise Imaging, and Dr. Keith Knox (then with Boeing LTS, now retired from the USAF Research Laboratory) used computer processing of digital images from various spectral bands, including ultraviolet, visible, and infrared wavelengths to reveal most of the underlying text, including of Archimedes. After imaging and digitally processing the entire palimpsest in three spectral bands prior to 2006, in 2007 they reimaged the entire palimpsest in 12 spectral bands, plus 164: 270:, the world's authority on Archimedes, realized that the work was by Archimedes. When Heiberg studied the palimpsest in Constantinople in 1906, he confirmed that the palimpsest included works by Archimedes thought to have been lost. Heiberg was permitted by the Greek Orthodox Church to take careful photographs of the palimpsest's pages, and from these he produced transcriptions, published between 1910 and 1915 in a complete works of Archimedes. Shortly thereafter Archimedes' 28: 1932: 3199: 20: 130:. A Western businessman concealed the book for over 70 years, and at some point forged pictures were painted on top of some of the text to increase resale value. Unable to sell the book privately, in 1998 the businessman's daughter risked a public auction in New York contested by the Greek church; the U.S. court ruled for the auction, and the manuscript was purchased by an anonymous buyer (rumored to be 352: 875:
difficult, while play could be awkward if pieces with sharp points are turned over. For the Codex board (again as with Tangram) there are three ways to pack the pieces: as two unit squares side by side; as two unit squares one on top of the other; and as a single square of side the square root of two. But the key to these packings is forming isosceles right triangles, just as
887:– Socrates was arguing for knowledge by recollection, and here pattern recognition and memory seem more pertinent than a count of solutions. The Codex board can be found as an extension of Socrates' argument in a seven-by-seven-square grid, suggesting an iterative construction of the side-diameter numbers that give rational approximations to the square root of two. 658:, and balanced each line, or slice, of one figure against a corresponding slice of the second figure on a lever. The essential point is that the two figures are oriented differently so that the corresponding slices are at different distances from the fulcrum, and the condition that the slices balance is not the same as the condition that the figures are equal. 126:. Heiberg visited the church library and was allowed to make detailed photographs in 1906. Most of the original text was still visible, and Heiberg published it in 1915. In 1922 the manuscript went missing in the midst of the evacuation of the Greek Orthodox library in Istanbul, during a tumultuous period following 118:, at least). The complex manuscript was not appreciated at this remote monastery and was soon overwritten (1229) with a religious text. In 1899, nine hundred years after it was written, the manuscript was still in the possession of the Greek church, and back in Istanbul, where it was catalogued by the Greek scholar 386:: UV: 365 nanometers; Visible Light: 445, 470, 505, 530, 570, 617, and 625 nm; Infrared: 700, 735, and 870 nm; and Raking Light: 910 and 470 nm. The team digitally processed these images to reveal more of the underlying text with pseudocolor. They also digitized the original Heiberg images. Dr. 737:
Archimedes did not know about differentiation, so he could not calculate any integrals other than those that came from center-of-mass considerations, by symmetry. While he had a notion of linearity, to find the volume of a sphere he had to balance two figures at the same time; he never determined how
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is created when electrons traveling near the speed of light take a curved path around a storage ring—emitting electromagnetic light in X-ray through infrared wavelengths. The resulting light beam has characteristics that make it ideal for revealing the intricate architecture and utility of many kinds
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Once he shows that each slice of one figure balances each slice of the other figure, he concludes that the two figures balance each other. But the center of mass of one figure is known, and the total mass can be placed at this center and it still balances. The second figure has an unknown mass, but
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was a quantity Q approximated by two sequences, one providing an upper bound and the other a lower bound. If one finds two sequences U and L, and U is always bigger than Q, and L always smaller than Q, and if the two sequences eventually came closer together than any prespecified amount, then Q is
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Sometime between 1923 and 1930 the palimpsest was acquired by Marie Louis Sirieix, a "businessman and traveler to the Orient who lived in Paris." Though Sirieix claimed to have bought the manuscript from a monk, who would not in any case have had the authority to sell it, Sirieix had no receipt or
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The fragmentary state of the palimpsest leaves much in doubt. But it would certainly add to the mystery had Archimedes used the Suter board in preference to the Codex board. However, if Netz is right, this may have been the most sophisticated work in the field of combinatorics in Greek antiquity.
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in translating an unpointed Arabic text in which twice and equals are easily confused; Suter makes at least a typographical error at the crucial point, equating the lengths of a side and diagonal, in which case the board cannot be a rectangle. But, as the diagonals of a square intersect at right
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exhibit "Lost and Found: The Secrets of Archimedes". In 2015, in an experiment into the preservation of digital data, Swiss scientists encoded text from the Archimedes Palimpsest into DNA. Thanks to its deciphering, some mathematicians suggest it is possible that Archimedes may have invented
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reveals that the number of ways to place the pieces of the Suter board to reform their square, allowing them to be turned over, is 17,152; the number is considerably smaller – 64 – if pieces are not allowed to be turned over. The sharpness of some angles in the Suter board makes fabrication
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Archimedes used exhaustion to prove his theorems. This involved approximating the figure whose area he wanted to compute into sections of known area, which provide upper and lower bounds for the area of the figure. He then proved that the two bounds become equal when the subdivision becomes
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library, removed a leaf of it (which is now in the Cambridge University Library). In 1899 the Greek scholar Papadopoulos-Kerameus produced a catalog of the library's manuscripts and included a transcription of several lines of the partially visible underlying text. Upon seeing these lines
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A copy of Isidorus' edition of Archimedes was made around AD 950 by an anonymous scribe, again in the Byzantine Empire, in a period during which the study of Archimedes flourished in Constantinople in a school founded by the mathematician, engineer, and former Greek Orthodox archbishop of
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the position of its center of mass might be restricted to lie at a certain distance from the fulcrum by a geometrical argument, by symmetry. The condition that the two figures balance now allows him to calculate the total mass of the other figure. He considered this method as a useful
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When calculating approximating sums, he imposed the further constraint that the sums provide rigorous upper and lower bounds. This was required because the Greeks lacked algebraic methods that could establish that error terms in an approximation are
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while in Sirieix's cellar). This was directed by Dr. Will Noel, curator of manuscripts at the Walters Art Museum, and managed by Michael B. Toth of R.B. Toth Associates, with Dr. Abigail Quandt performing the conservation of the manuscript.
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to solve the puzzle, that is, to put the pieces back into their box. No pieces have been identified as such; the rules for placement, such as whether pieces are allowed to be turned over, are not known; and there is doubt about the board.
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of 177 later numbered leaves, of which 174 are extant (each older folded leaf became two leaves of the liturgical book). The palimpsest remained near Jerusalem through at least the 16th century at the isolated Greek Orthodox monastery of
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grounds, and the palimpsest was bought for $ 2 million by an anonymous American buyer. The lawyer who represented the anonymous buyer stated that the buyer was "a private American" who worked in "the high-tech industry", but was not
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On October 29, 2008 (the tenth anniversary of the purchase of the palimpsest at auction), all data, including images and transcriptions, were hosted on the Digital Palimpsest Web Page for free use under a
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A typical page from the Archimedes Palimpsest. The text of the prayer book is seen from top to bottom, the original Archimedes manuscript is seen as fainter text below it running from left to right
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religious images in the manuscript in an effort to increase its sales value. It appeared that these had rendered the underlying text forever illegible. However, in May 2005, highly focused
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The target audiences for the digitisation are Greek scholars, math historians, people building applications, libraries, archives, and scientists interested in the production of the images.
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remained unused by the author of the palimpsest and thus they are still lost. Between them, an announced result concerned the volume of the intersection of two cylinders, a figure that
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in Menlo Park, California, were used by Drs. Uwe Bergmann and Bob Morton to begin deciphering the parts of the 174-page text that had not yet been revealed. The production of X-ray
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to sell it in a public auction, risking an ownership dispute. The ownership of the palimpsest was immediately contested in federal court in New York in the case of the
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in 1204. There, in 1229, the Archimedes codex was unbound, scraped and washed, along with at least six other partial parchment manuscripts, including one with works of
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with rare brilliance. Later writers often criticized Archimedes for not explaining how he arrived at his results in the first place. This explanation is contained in
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Sirieix died in 1956, and in 1970 his daughter began attempting quietly to sell the valuable manuscript. Unable to sell it privately, in 1998 she finally turned to
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in the Archimedes Palimpsest (shown after Suter from a different source; this version must be stretched to twice the width to conform to the Palimpsest)
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Either Archimedes used the Suter board, the pieces of which were allowed to be turned over, or the statistics of the Suter board are irrelevant.
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You start thinking striking one palimpsest is gold, and striking two is utterly astonishing. But then something even more extraordinary happened.
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to the three color bands (red, green, and blue) of fluorescent light generated by ultraviolet illumination. Dr. Will Noel said in an interview:
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and Nigel Wilson have produced a diplomatic transcription of the text, filling in gaps in Heiberg's account with these images.
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but always made sure to prove the results he found using exhaustion, since the method did not provide upper and lower bounds.
134:). The texts under the forged pictures, as well as previously unreadable texts, were revealed by analyzing images produced by 87:, sometime around AD 530. The copy found in the palimpsest was created from this original, also in Constantinople, during the 2727: 1876: 1529: 1382: 2692: 1709: 1378: 1224: 706: 3060: 2463: 3127: 1954: 474:
guidelines, and metadata for the images and transcriptions included identification and cataloging information based on
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is the calculation of the volume of a cylindrical wedge, a result that reappears as theorem XVII (schema XIX) of
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All images and transcriptions are now freely available on the web at the Archimedes Digital Palimpsest under the
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The Greek Orthodox Patriarchate of Jerusalem v. Christies's Inc., 1999 U.S. Dist. LEXIS 13257 (S.D. N.Y. 1999)
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politician from the fourth century BC, which has also been found within the palimpsest. It is from his speech
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immediate. Rather, the first proposition sets up a board consisting of two squares side by side (as in
726: 531: 254: 2292: 3036: 3007: 2367: 2222: 1642: 467:, vol. 165, becoming the first new text from the palimpsest to be published in a scholarly journal. 3170: 2904: 2447: 1840: 1775: 1702: 1245: 717: 579: 483: 471: 154: 720:, that two volume with equal-area cross-sections are equal; the same principle forms the basis of 429:
In April 2007, it was announced that a new text had been found in the palimpsest, a commentary on
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of matter—in this case, the previously hidden work of one of the founding fathers of all science.
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to solve problems about areas, volumes, and centers of gravity. Less attention was given to the
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and other authors. It contains two works of Archimedes that were thought to have been lost (the
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in the 1840s, and, intrigued by the Greek mathematics visible on the palimpsest he found in a
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But there are two essential differences between Archimedes' method and 19th-century methods:
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running to some 9 000 words. Most of this text was recovered in early 2009 by applying
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After imaging a page from the palimpsest, the original Archimedes text is now seen clearly
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In his other works, Archimedes often proves the equality of two areas or volumes with
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angles, the presence of right triangles makes the first proposition of Archimedes'
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arbitrarily fine. These proofs, still considered to be rigorous and correct, used
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This data is released for use under a Creative Commons license, with attribution
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Using this method, Archimedes was able to solve several problems now treated by
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by Western crusaders in 1204, the manuscript was taken to an isolated Greek
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In Heiberg's time, much attention was paid to Archimedes' brilliant use of
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The method that Archimedes describes was based upon his investigations of
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Archimedes lived in the 3rd century BC and wrote his proofs as letters in
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A team of imaging scientists including Dr. Roger L. Easton, Jr. from the
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Elements. The metadata and data were managed by Doug Emery of Emery IT.
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This medieval Byzantine manuscript then traveled from Constantinople to
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The board illustrated here, as also by Netz, is one proposed by
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The transcriptions of the book were digitally encoded using the
2252: 2127: 1897: 713: 686: 781: = 4 Archimedean dome), whose volume relates to the 351: 2628: 2606: 2262: 1687: 1112: 880: 799: 157: 147: 43: 1314:"NOVA – Official Website – Inside the Archimedes Palimpsest" 69:) and the only surviving original Greek edition of his work 1580:
R. Chiaradonna, M. Rashed, D. Sedley and N. Tchernetska,
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Discovery reported in the New York Times on July 16, 1907
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patriarchal church, sometime around AD 530 in the then
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addressed to contemporaries, including scholars at the
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World Encyclopedia of Library and Information Services
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This referred to the previous discovery of a text by
681:. Among those problems were that of calculating the 592: 463:, and was published in 2008 in the academic journal 1404:Netz, Reviel; Noel, William; Wilson, Nigel (eds.). 1652:English translation (Heiberg's 1909 transcription) 3228: 1552:"Glassed-in DNA makes the ultimate time capsule" 334:decided in favor of Christie's Auction House on 603:The palimpsest contains the only known copy of 1976: 1962: 1703: 299:population exchange between Greece and Turkey 79:, the architect of the geometrically complex 1597: 1495:"The Digital Archimedes Palimpsest Released" 1411:(2011 ed.). Cambridge University Press. 1369:Toth, Mike; Emery, Doug (October 29, 2008). 985:Reviel Netz, William Noel and Nigel Wilson. 901:List of most expensive books and manuscripts 1177: 1175: 712:When rigorously proving theorems involving 346: 1969: 1955: 1710: 1696: 1462:Zeitschrift für Papyrologie und Epigraphik 1421: 1403: 1115:"The History of the Archimedes Manuscript" 738:to change variables or integrate by parts. 558:Speeches by the 4th-century BC politician 465:Zeitschrift für Papyrologie und Epigraphik 397:Sometime after 1938, a forger placed four 245:of the Holy Sepulcher) in Constantinople. 1665:(YouTube), Ignite (O'Reilly), August 2009 1368: 1181: 956: 954: 834:has argued that Archimedes discussed the 503: 222:Crusader sack of Byzantine Constantinople 1598:Dijksterhuis, E.J. Dijksterhuis (1987). 1172: 1143: 1141: 1139: 1137: 1135: 798: 697:, and the area of a region bounded by a 350: 287:Greek Orthodox Patriarchate of Jerusalem 239:Greek Orthodox Patriarchate of Jerusalem 162: 26: 18: 1442: 1345:"Archimedes Palimpsest – Press Release" 1285: 924: 3229: 2998:Latin translations of the 12th century 1516: 1492: 1147: 998: 951: 309:would later be required to reveal it. 2728:Straightedge and compass construction 1950: 1877:List of things named after Archimedes 1691: 1591: 1385:from the original on January 19, 2022 1132: 1108: 1106: 1104: 1102: 940:from the original on 19 February 2009 920: 918: 916: 2693:Incircle and excircles of a triangle 1582:A rediscovered Categories commentary 1549: 1422:Rock Woods, Heather (May 19, 2005). 1415: 1379:University of Pennsylvania Libraries 1256: 1225:University of Pennsylvania Libraries 1188:. Walker & Co, NY. p. 187. 1073: 746:A problem solved exclusively in the 1663:Restoring The Archimedes Palimpsest 1113:The Archimedes Palimpsest Project. 930:"Text Reveals More Ancient Secrets" 13: 3252:Scientific illuminated manuscripts 1643:The Nova Program teacher's version 1562:from the original on July 11, 2015 1240:All materials on OPenn are in the 1160:from the original on April 2, 2015 1148:Schulz, Matthias (June 22, 2007). 1099: 968:from the original on 8 August 2007 913: 879:gets the slave boy to consider in 407:Stanford Linear Accelerator Center 307:Stanford Linear Accelerator Center 14: 3273: 1797:The Method of Mechanical Theorems 1682:The Digital Archimedes Palimpsest 1675: 1634:, Weidenfeld & Nicolson, 2007 1550:Aron, Jacob (February 11, 2015). 1448: 1430:from the original on May 17, 2008 775:n = 4 Archimedean globe 707:Archimedes' use of infinitesimals 605:The Method of Mechanical Theorems 599:The Method of Mechanical Theorems 593:The Method of Mechanical Theorems 546:The Method of Mechanical Theorems 380:Rochester Institute of Technology 3237:Ancient Greek mathematical works 3210: 3197: 1931: 1930: 1814: 1493:Porter, Dot (October 29, 2008). 285:The manuscript was still in the 201:capital city of Constantinople. 16:Greek parchment codex manuscript 1574: 1543: 1532:from the original on 2023-04-22 1505:from the original on 2013-12-30 1486: 1475:from the original on 2011-11-18 1455:from the Archimedes Palimpsest" 1397: 1362: 1351:from the original on 2015-09-24 1337: 1326:from the original on 2017-08-15 1306: 1231:from the original on 2019-02-07 1213: 1202:from the original on 2023-04-22 1121:from the original on 2018-10-01 1088:from the original on 2017-05-18 1056:from the original on 2023-04-22 1019:from the original on 2023-04-22 3030:A History of Greek Mathematics 2543:The Quadrature of the Parabola 1717: 1628:Reviel Netz and William Noel. 1067: 1030: 992: 979: 962:"Editions of Archimedes' Work" 122:, attracting the attention of 1: 788: 705:. (For explicit details, see 689:, the center of gravity of a 66:Method of Mechanical Theorems 2811:Intersecting secants theorem 1748:On the Equilibrium of Planes 1264:"Reading Between the Lines, 964:. Brown University Library. 863:in March, 1926, sparking an 716:, Archimedes used a form of 511:On the Equilibrium of Planes 441:principal component analysis 220:, likely sometime after the 116:copies of Archimedes writing 7: 2806:Intersecting chords theorem 2673:Doctrine of proportionality 1836:Archimedes's cattle problem 1221:"The Archimedes Palimpsest" 894: 498: 291:Greco-Turkish War (1919–22) 187:Great Library of Alexandria 10: 3278: 2502:On the Sphere and Cylinder 2455:On the Sizes and Distances 1824:Discoveries and inventions 1762:On the Sphere and Cylinder 1755:Quadrature of the Parabola 1608:Princeton University Press 792: 727:On the Sphere and Cylinder 596: 532:On the Sphere and Cylinder 255:Constantin von Tischendorf 171: 3204:Ancient Greece portal 3193: 3143: 3021: 3008:Philosophy of mathematics 2978: 2971: 2945: 2923:Ptolemy's table of chords 2867: 2849: 2748: 2741: 2597: 2559: 2376: 1984: 1978:Ancient Greek mathematics 1926: 1890: 1859: 1823: 1812: 1725: 1657:Did Isaac Barrow read it? 1638:The Nova Program outlined 1539:– via Google Books. 1451:"Fragments of Hyperides' 1406:The Archimedes Palimpsest 1246:Creative Commons licenses 987:The Archimedes Palimpsest 320:Patriarchate of Jerusalem 274:text was translated into 248: 53:copy of a compilation of 3262:10th-century manuscripts 2875:Aristarchus's inequality 2448:On Conoids and Spheroids 1776:On Conoids and Spheroids 1375:archimedespalimpsest.net 1182:Hirshfeld, Alan (2009). 906: 580:Alexander of Aphrodisias 484:Creative Commons License 472:Text Encoding Initiative 347:Imaging and digitization 176: 155:Creative Commons License 2983:Ancient Greek astronomy 2796:Inscribed angle theorem 2786:Greek geometric algebra 2441:Measurement of a Circle 1734:Measurement of a Circle 1449:Carey, C.; et al. 999:Murray, Stuart (2009). 525:Measurement of a Circle 193:, the architect of the 167:Photo of the palimpsest 95:bishop of Thessaloniki 3217:Mathematics portal 3003:Non-Euclidean geometry 2958:Mouseion of Alexandria 2831:Tangent-secant theorem 2781:Geometric mean theorem 2766:Exterior angle theorem 2761:Angle bisector theorem 2465:On Sizes and Distances 1460:. Inhaltsverzeichnis. 1293:"archimedespalimpsest" 813: 656:method of indivisibles 504:Works contained within 449: 427: 356: 168: 112:monastery in Palestine 108:sack of Constantinople 89:Macedonian Renaissance 32: 24: 3242:Byzantine manuscripts 2905:Pappus's area theorem 2841:Theorem of the gnomon 2718:Quadratrix of Hippias 2641:Circles of Apollonius 2589:Problem of Apollonius 2567:Constructible numbers 2391:Archimedes Palimpsest 1872:Archimedes Palimpsest 1841:Archimedes' principle 1525:Archimedes Palimpsest 1299:on 21 February 2009. 802: 777:(and the half of it, 718:Cavalieri's principle 445: 419: 354: 253:The Biblical scholar 166: 120:Papadopoulos-Kerameus 37:Archimedes Palimpsest 30: 22: 3121:prehistoric counting 2918:Ptolemy's inequality 2859:Apollonius's theorem 2698:Method of exhaustion 2668:Diophantine equation 2658:Circumscribed circle 2475:On the Moving Sphere 1867:Archimedes' heat ray 1631:The Archimedes Codex 1266:Smithsonian Magazine 857:Richard Dixon Oldham 785:-polygonal pyramid. 616:method of exhaustion 476:Dublin Core Metadata 241:to its library (the 3257:Works by Archimedes 3207: • 3013:Neusis construction 2933:Spiral of Theodorus 2826:Pythagorean theorem 2771:Euclidean algorithm 2713:Lune of Hippocrates 2582:Squaring the circle 2338:Theon of Alexandria 2013:Aristaeus the Elder 1918:Eutocius of Ascalon 1908:Apollonius of Perga 1684:(official web site) 1250:Free Cultural Works 832:Stanford University 417:, director of SSRL: 392:Stanford University 191:Isidorus of Miletus 2900:Menelaus's theorem 2890:Irrational numbers 2703:Parallel postulate 2678:Euclidean geometry 2646:Apollonian circles 2188:Isidore of Miletus 1913:Hero of Alexandria 1851:Claw of Archimedes 1846:Archimedes's screw 1783:On Floating Bodies 1592:Additional sources 1244:or released under 814: 761:Some pages of the 539:On Floating Bodies 488:Walters Art Museum 361:Walters Art Museum 357: 209:, a cousin to the 169: 99:, a cousin of the 77:Isidore of Miletus 72:On Floating Bodies 33: 25: 3224: 3223: 3189: 3188: 2941: 2940: 2928:Ptolemy's theorem 2801:Intercept theorem 2651:Apollonian gasket 2577:Doubling the cube 2550:The Sand Reckoner 1944: 1943: 1903:Eudoxus of Cnidus 1882:Pseudo-Archimedes 1831:Archimedean solid 1741:The Sand Reckoner 1671:(via Archive.org) 1606:. Princeton, NJ: 867:craze that year. 810:dissection puzzle 683:center of gravity 679:Gottfried Leibniz 671:integral calculus 422:Synchrotron light 413:was described by 3269: 3215: 3214: 3202: 3201: 3200: 2976: 2975: 2963:Platonic Academy 2910:Problem II.8 of 2880:Crossbar theorem 2836:Thales's theorem 2776:Euclid's theorem 2746: 2745: 2663:Commensurability 2624:Axiomatic system 2572:Angle trisection 2537: 2527: 2489: 2479: 2469: 2459: 2435: 2425: 2408: 1971: 1964: 1957: 1948: 1947: 1934: 1933: 1818: 1712: 1705: 1698: 1689: 1688: 1625: 1605: 1585: 1578: 1572: 1571: 1569: 1567: 1547: 1541: 1540: 1538: 1537: 1520: 1514: 1513: 1511: 1510: 1490: 1484: 1483: 1481: 1480: 1474: 1459: 1446: 1440: 1439: 1437: 1435: 1419: 1413: 1412: 1401: 1395: 1394: 1392: 1390: 1366: 1360: 1359: 1357: 1356: 1341: 1335: 1334: 1332: 1331: 1310: 1304: 1303: 1295:. Archived from 1289: 1283: 1282: 1280: 1279: 1270:. Archived from 1260: 1254: 1253: 1237: 1236: 1217: 1211: 1210: 1208: 1207: 1179: 1170: 1169: 1167: 1165: 1145: 1130: 1129: 1127: 1126: 1110: 1097: 1096: 1094: 1093: 1087: 1080: 1071: 1065: 1064: 1062: 1061: 1034: 1028: 1027: 1025: 1024: 996: 990: 983: 977: 976: 974: 973: 958: 949: 948: 946: 945: 926:Morelle, Rebecca 922: 652:law of the lever 564:A commentary on 405:produced at the 207:Leo the Geometer 97:Leo the Geometer 3277: 3276: 3272: 3271: 3270: 3268: 3267: 3266: 3227: 3226: 3225: 3220: 3209: 3198: 3196: 3185: 3151:Arabian/Islamic 3139: 3128:numeral systems 3017: 2967: 2937: 2885:Heron's formula 2863: 2845: 2737: 2733:Triangle center 2723:Regular polygon 2600:and definitions 2599: 2593: 2555: 2535: 2525: 2487: 2477: 2467: 2457: 2433: 2423: 2406: 2372: 2343:Theon of Smyrna 1988: 1980: 1975: 1945: 1940: 1922: 1886: 1855: 1819: 1810: 1721: 1716: 1678: 1622: 1594: 1589: 1588: 1579: 1575: 1565: 1563: 1548: 1544: 1535: 1533: 1522: 1521: 1517: 1508: 1506: 1491: 1487: 1478: 1476: 1472: 1457: 1453:Against Diondas 1447: 1443: 1433: 1431: 1420: 1416: 1402: 1398: 1388: 1386: 1367: 1363: 1354: 1352: 1343: 1342: 1338: 1329: 1327: 1312: 1311: 1307: 1291: 1290: 1286: 1277: 1275: 1262: 1261: 1257: 1234: 1232: 1219: 1218: 1214: 1205: 1203: 1196: 1180: 1173: 1163: 1161: 1146: 1133: 1124: 1122: 1111: 1100: 1091: 1089: 1085: 1078: 1074:Bergmann, Uwe. 1072: 1068: 1059: 1057: 1050: 1036: 1035: 1031: 1022: 1020: 1013: 997: 993: 984: 980: 971: 969: 960: 959: 952: 943: 941: 923: 914: 909: 897: 797: 791: 701:and one of its 601: 595: 506: 501: 461:Against Diondas 399:Byzantine-style 349: 318:Greek Orthodox 297:and the forced 293:along with the 251: 230:liturgical text 199:Byzantine Greek 179: 174: 51:Byzantine Greek 49:, originally a 17: 12: 11: 5: 3275: 3265: 3264: 3259: 3254: 3249: 3244: 3239: 3222: 3221: 3194: 3191: 3190: 3187: 3186: 3184: 3183: 3178: 3173: 3168: 3163: 3158: 3153: 3147: 3145: 3144:Other cultures 3141: 3140: 3138: 3137: 3136: 3135: 3125: 3124: 3123: 3113: 3112: 3111: 3101: 3100: 3099: 3089: 3088: 3087: 3077: 3076: 3075: 3065: 3064: 3063: 3053: 3052: 3051: 3041: 3040: 3039: 3025: 3023: 3019: 3018: 3016: 3015: 3010: 3005: 3000: 2995: 2993:Greek numerals 2990: 2988:Attic numerals 2985: 2979: 2973: 2969: 2968: 2966: 2965: 2960: 2955: 2949: 2947: 2943: 2942: 2939: 2938: 2936: 2935: 2930: 2925: 2920: 2915: 2907: 2902: 2897: 2892: 2887: 2882: 2877: 2871: 2869: 2865: 2864: 2862: 2861: 2855: 2853: 2847: 2846: 2844: 2843: 2838: 2833: 2828: 2823: 2818: 2816:Law of cosines 2813: 2808: 2803: 2798: 2793: 2788: 2783: 2778: 2773: 2768: 2763: 2757: 2755: 2743: 2739: 2738: 2736: 2735: 2730: 2725: 2720: 2715: 2710: 2708:Platonic solid 2705: 2700: 2695: 2690: 2688:Greek numerals 2685: 2680: 2675: 2670: 2665: 2660: 2655: 2654: 2653: 2648: 2638: 2633: 2632: 2631: 2621: 2620: 2619: 2614: 2603: 2601: 2595: 2594: 2592: 2591: 2586: 2585: 2584: 2579: 2574: 2563: 2561: 2557: 2556: 2554: 2553: 2546: 2539: 2529: 2519: 2516:Planisphaerium 2512: 2505: 2498: 2491: 2481: 2471: 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Index



parchment
codex
palimpsest
Byzantine Greek
Archimedes
Ostomachion
Method of Mechanical Theorems
On Floating Bodies
Isidore of Miletus
Hagia Sophia
Constantinople
Macedonian Renaissance
Greek Orthodox
Leo the Geometer
Patriarch
sack of Constantinople
monastery in Palestine
copies of Archimedes writing
Papadopoulos-Kerameus
Johan Heiberg
World War I
Jeff Bezos
ultraviolet
infrared
raking light
X-ray
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